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CN117429157A - Environment-friendly paint decorative building wall and preparation method thereof - Google Patents

Environment-friendly paint decorative building wall and preparation method thereof Download PDF

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Publication number
CN117429157A
CN117429157A CN202311350430.1A CN202311350430A CN117429157A CN 117429157 A CN117429157 A CN 117429157A CN 202311350430 A CN202311350430 A CN 202311350430A CN 117429157 A CN117429157 A CN 117429157A
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CN
China
Prior art keywords
parts
environment
layer
building wall
coating
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Granted
Application number
CN202311350430.1A
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Chinese (zh)
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CN117429157B (en
Inventor
魏东
杜慧
蓝涵恋
廖建宇
赵友花
叶耀祖
吴迅
卢月媚
陈锦茂
李文娟
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Huachuan Construction Group Co ltd
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Huachuan Construction Group Co ltd
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Priority to CN202311350430.1A priority Critical patent/CN117429157B/en
Publication of CN117429157A publication Critical patent/CN117429157A/en
Application granted granted Critical
Publication of CN117429157B publication Critical patent/CN117429157B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B32B2262/0269—Aromatic polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2607/00—Walls, panels
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Architecture (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Textile Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Inorganic Chemistry (AREA)
  • Finishing Walls (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention relates to the technical field of buildings, in particular to an environment-friendly coating decorative building wall and a preparation method thereof. The environment-friendly coating decorative building wall adopts the structure, has good water-repellent and anti-pollution capabilities and decorative effects, the decorative layer is reinforced by the reinforcing layer, the service life of the decorative layer is prolonged, the falling risk is reduced, and the heat preservation effect in the wall can be further improved by the arrangement of the heat preservation layer.

Description

Environment-friendly paint decorative building wall and preparation method thereof
Technical Field
The invention relates to the technical field of buildings, in particular to an environment-friendly coating decorative building wall and a preparation method thereof.
Background
With the rapid development of society and the improvement of the living standard of people, the application of the wall coating for the building is almost spread over every house. The wall paint has the protection effect on the wall surface, and has beautiful and soft color and bright and smooth finish after coating, so that people feel happy and comfortable. In order to obtain a beautiful and luxurious appearance of a building, it has long been known to paste ceramic tiles on the surface of an outer wall. The ceramic tile has high manufacturing cost, and has the problems of high energy consumption, environmental pollution and the like which are concerned by the current society. Meanwhile, the traditional ceramic tile has large specific gravity, high construction labor intensity and high tension on the bonding surface with the wall body, and is easy to fall off, and particularly, the wall surface attached with the light heat-insulating board is difficult to bear the weight of the ceramic tile, and the ceramic tile is not suitable for use, or the heat-insulating material is torn prematurely to fall off. So the paint is used for decorating wall surfaces.
At present, the coating applied to the exterior of a building wall body is exposed for a long time, and is capable of facing various types of air, and the wall body is a first protection line in the room, so that after harmful gases and suspended particles cannot be treated by the wall body, the harmful substances can enter the room, and along with the enhancement of environmental awareness and the attention to human health, the required interior wall coating is not only remained on the functions of protecting the wall body and decorating the wall surface, but also is more important for environmental protection and health. Therefore, the interior wall coating can purify air, decompose harmful gases in the air, protect the health of people, bring convenience to the life of people, and enable the living of the house to be easier to clean and more attractive
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the environment-friendly paint decorative building wall, which adopts the structure, has good water repellency, pollution resistance and decorative effect, the decorative layer is reinforced by the reinforcing layer, the service life of the decorative layer is prolonged, the falling risk is reduced, and the heat preservation effect in the wall can be further improved by the arrangement of the heat preservation layer.
The invention also aims to provide a preparation method of the environment-friendly paint decorative building wall, which is simple, convenient to operate and control, high in quality of produced products, low in cost, beneficial to industrial production and capable of effectively overcoming the defects of the traditional wall decorative paint.
The aim of the invention is achieved by the following technical scheme: an environment-friendly paint decorative building wall body is characterized in that: the environment-friendly decorative coating comprises a base layer wall body, a bonding layer arranged on the surface of the base layer wall body, a heat preservation layer arranged on the surface of the bonding layer, a reinforcing layer arranged on the surface of the heat preservation layer and a decorative layer arranged on the surface of the reinforcing layer, wherein the decorative layer is formed by coating environment-friendly paint.
The environment-friendly coating decorative building wall adopts the structure, has good water-repellent and anti-pollution capabilities and decorative effects, the decorative layer is reinforced by the reinforcing layer, the service life of the decorative layer is prolonged, the falling risk is reduced, and the heat preservation effect in the wall can be further improved by the arrangement of the heat preservation layer.
Preferably, the environment-friendly paint comprises the following raw materials in parts by weight: 30-40 parts of modified resin, 2-4 parts of glass ceramic hollow microspheres, 30-60 parts of solvent, 1-3 parts of hydroxypropyl methyl cellulose, 3-7 parts of film forming agent, 1-3 parts of preservative, 0.5-1.5 parts of alumina powder, 1-3 parts of dispersing agent, 1-3 parts of defoaming agent and 1-5 parts of anion powder.
The environment-friendly paint is prepared from the raw materials, has good coating effect, low content of harmful substances, soft smell, low production cost, good stability, long service life, high-efficiency reflection and emission functions on sunlight, good ultraviolet resistance, high stain resistance, strong adhesive force, good heat preservation and insulation effects, no pollution, safety and reliability, and can effectively solve the problems of heavy load, external decoration effect and large safety influence on a building. The modified resin adopted has excellent fullness, gloss, hardness, solvent resistance, weather resistance, no color change and no yellowing during high-temperature baking, and excellent color retention, and the addition of the modified resin can further improve the comprehensive performance of the prepared coating; the adopted glass ceramic hollow microspheres contain thin gas in the hollow glass microspheres which are closely arranged, so that the heat conductivity coefficient is low, the coating has a very good heat insulation effect, the viscosity of the coating added with the glass ceramic hollow microspheres is not obviously increased, the use amount of a solvent can be reduced, the emission of toxic gas in the use process of the coating can be reduced, VOC (volatile organic compound) indexes are effectively reduced, the glass ceramic hollow microspheres are spherical particles, the bearing function is realized, the friction force is small, the flowing smearing performance of the coating can be enhanced, the construction is more convenient, and the coating has more waterproof, antifouling and anticorrosion performances and chemical corrosion resistance; the addition of the hydroxypropyl methylcellulose ensures the fluidity and self-leveling capability of the coating, and the water retention rate is controlled to enable the coating to be quickly solidified, so that cracks and shrinkage are reduced; the alumina powder can provide free flow and anti-caking performance for the paint, and the performances can promote smooth electrostatic spraying and fluidized bed coating, and can play roles in anti-sedimentation, anti-sagging, leveling control, anti-sedimentation, directional arrangement of metal flakes, corrosion resistance and moisture resistance when being added into the paint; the negative ions can be continuously released, the negative oxygen ions have adsorption effect and oxidation effect, and some bacteria, pathogenic bacteria and the like in indoor air can be quickly killed, so that the aim of environmental protection can be achieved, the sterilization function can be exerted, a healthy and safe living environment is created, and the comprehensive performance of the prepared coating can be further improved.
Preferably, the modified resin comprises the following raw materials in parts by weight: 10-20 parts of butyl acrylate, 5-10 parts of glycidyl acrylate, 1-5 parts of methyl methacrylate, 0.5-1.0 part of 1, 1-di-tert-butyl cyclohexane peroxide, 0.5-2.5 parts of isooctyl 3-mercaptopropionate and 30-60 parts of deionized water.
Preferably, the modified resin is prepared by the steps of:
s1, uniformly mixing butyl acrylate, glycidyl acrylate and methyl methacrylate with 1, 1-di-tert-butyl cyclohexane peroxide according to parts by weight to obtain a monomer mixed solution for later use;
s2, adding deionized water into the reaction kettle, heating to 130-160 ℃ under the protection of protective gas, preserving heat after the deionized water is refluxed, adding the monomer mixed solution and the isooctyl 3-mercaptopropionate, controlling the reaction temperature to be 120-140 ℃, carrying out reflux reaction, and removing the deionized water to obtain the modified resin.
The modified resin is prepared by adopting the raw materials and the method, and the modified resin prepared by adopting the specific raw materials and the method has certain functional groups in the structure, so that the prepared coating has excellent fullness, luster, hardness, solvent resistance and weather resistance, the adoption of the acrylic acid monomer ensures that various inner wall base surfaces of the coating have excellent adhesive force, the workability is good, the water resistance of the coating film is good, the coating area is large, the coating overall cost is reduced, the organic solvent or diluent used in the construction coating is less, the pollution of the volatilization of the organic solvent to the atmosphere is reduced, and the physical harm caused by the contact of workers with the solvent in the production process is reduced.
Preferably, the film forming agent is at least one of alcohol ester twelve and hydroxypropyl cellulose.
Preferably, the preservative is a mixture composed of nano silver ions, a preservative SPM (commercial product of Guangzhou, zhuo Zhou Co., ltd.) and a Dow Hill-75 according to the weight ratio of 0.8-1.2:0.6-1.0:0.4-0.8, and the corrosion resistance and the antibacterial property of the prepared coating are further improved by cooperation with the respective corrosion resistance.
Preferably, the dispersing agent is nano titanium dioxide, polycarboxylate dispersing agent or condensed phosphate dispersing agent.
Preferably, the defoamer is at least one of polydimethylsiloxane, mineral oil or modified silicone-based aqueous defoamer.
Preferably, the solvent is a mixture of sec-butyl acetate, dimethyl carbonate and deionized water in a weight ratio of 0.4-0.8:0.6-1.0:2-4.
The sec-butyl acetate adopted in the solvent has good solubility to a plurality of substances, and the dimethyl carbonate is a green solvent with low toxicity, excellent environmental protection performance and good solubility. Meanwhile, the organic acid-base composite material is an important organic synthesis intermediate, has a molecular structure containing carbonyl, methyl, methoxy and other functional groups, has multiple reaction performances, has the characteristics of safe and convenient use, less pollution, easy transportation and the like in production, and has good dissolving capacity for thermosetting acrylic resin by mixing sec-butyl acetate, dimethyl carbonate and deionized water.
The invention also discloses a preparation method of the environment-friendly paint decorative building wall, which comprises the following steps:
e1, uniformly mixing and stirring modified resin, a solvent, glass ceramic hollow microspheres, hydroxypropyl methylcellulose and alumina powder according to weight to obtain a mixture A for later use;
e2, mixing and uniformly stirring the film forming agent, the preservative, the dispersing agent, the defoaming agent and the negative ion powder according to weight to obtain a mixture B for later use;
e3, slowly adding the mixture B into the mixture A, and stirring for 20-40min to obtain the environment-friendly coating for later use;
and E4, coating an adhesive on the surface of the base wall to form a bonding layer, then applying a vacuum heat insulation ceramsite material on the surface of the bonding layer to form a heat preservation layer, then adhering an aramid fiber woven material on the surface of the heat preservation layer to form a reinforcing layer, and finally coating an environment-friendly coating layer on the surface of the reinforcing layer to obtain the environment-friendly coating decorative building wall.
The invention has the beneficial effects that: the environment-friendly coating decorative building wall adopts the structure, has good water-repellent and anti-pollution capabilities and decorative effects, the decorative layer is reinforced by the reinforcing layer, the service life of the decorative layer is prolonged, the falling risk is reduced, and the heat preservation effect in the wall can be further improved by the arrangement of the heat preservation layer.
The invention also aims to provide a preparation method of the environment-friendly paint decorative building wall, which is simple, convenient to operate and control, high in quality of produced products, low in cost, beneficial to industrial production and capable of effectively overcoming the defects of the traditional wall decorative paint.
Detailed Description
The invention will be further illustrated by the following examples, which are not intended to limit the scope of the invention, in order to facilitate the understanding of those skilled in the art.
Example 1
An environment-friendly paint decorative building wall body is characterized in that: the environment-friendly decorative coating comprises a base layer wall body, a bonding layer arranged on the surface of the base layer wall body, a heat preservation layer arranged on the surface of the bonding layer, a reinforcing layer arranged on the surface of the heat preservation layer and a decorative layer arranged on the surface of the reinforcing layer, wherein the decorative layer is formed by coating environment-friendly paint.
The environment-friendly paint comprises the following raw materials in parts by weight: 30 parts of modified resin, 2 parts of glass ceramic hollow microspheres, 30 parts of solvent, 1 part of hydroxypropyl methyl cellulose, 3 parts of film forming agent, 1 part of preservative, 0.5 part of alumina powder, 1 part of dispersing agent, 1 part of defoaming agent and 1 part of anion powder.
Wherein the modified resin comprises the following raw materials in parts by weight: 10 parts of butyl acrylate, 5 parts of glycidyl acrylate, 1 part of methyl methacrylate, 0.5 part of 1, 1-di-tert-butyl cyclohexane peroxide, 0.5 part of isooctyl 3-mercaptopropionate and 30 parts of deionized water.
Wherein the modified resin is prepared by the following steps:
s1, uniformly mixing butyl acrylate, glycidyl acrylate and methyl methacrylate with 1, 1-di-tert-butyl cyclohexane peroxide according to parts by weight to obtain a monomer mixed solution for later use;
s2, adding deionized water into the reaction kettle, heating to 130 ℃ under the protection of protective gas, preserving heat after the deionized water is refluxed, adding the monomer mixed solution and the isooctyl 3-mercaptopropionate, controlling the reaction temperature to be 120 ℃, carrying out reflux reaction, and removing the deionized water to obtain the modified resin.
Wherein the film forming agent is alcohol ester twelve; the preservative is a mixture of nano silver ions, a preservative SPM and a dove-75 according to the weight ratio of 0.8:0.6:0.4, wherein the preservative SPM is provided by industrial grade products of Zhuo Zhou trade company, guangzhou.
Wherein the dispersing agent is nano titanium dioxide; the defoamer is polydimethylsiloxane.
The solvent is a mixture of sec-butyl acetate, dimethyl carbonate and deionized water according to the weight ratio of 0.4:0.6:2.
The environment-friendly paint decorative building wall is prepared by the following steps:
e1, uniformly mixing and stirring modified resin, a solvent, glass ceramic hollow microspheres, hydroxypropyl methylcellulose and alumina powder according to weight to obtain a mixture A for later use;
e2, mixing and uniformly stirring the film forming agent, the preservative, the dispersing agent, the defoaming agent and the negative ion powder according to weight to obtain a mixture B for later use;
e3, slowly adding the mixture B into the mixture A, and stirring for 20min to obtain the environment-friendly coating for later use;
and E4, coating an adhesive on the surface of the base wall to form a bonding layer, then applying a vacuum heat insulation ceramsite material on the surface of the bonding layer to form a heat preservation layer, then adhering an aramid fiber woven material on the surface of the heat preservation layer to form a reinforcing layer, and finally coating an environment-friendly coating layer on the surface of the reinforcing layer to obtain the environment-friendly coating decorative building wall.
Example 2
An environment-friendly paint decorative building wall body is characterized in that: the environment-friendly decorative coating comprises a base layer wall body, a bonding layer arranged on the surface of the base layer wall body, a heat preservation layer arranged on the surface of the bonding layer, a reinforcing layer arranged on the surface of the heat preservation layer and a decorative layer arranged on the surface of the reinforcing layer, wherein the decorative layer is formed by coating environment-friendly paint.
The environment-friendly paint comprises the following raw materials in parts by weight: 35 parts of modified resin, 3 parts of glass ceramic hollow microspheres, 45 parts of solvent, 2 parts of hydroxypropyl methyl cellulose, 5 parts of film forming agent, 2 parts of preservative, 1 part of alumina powder, 2 parts of dispersing agent, 2 parts of defoaming agent and 3 parts of anion powder.
Wherein the modified resin comprises the following raw materials in parts by weight: 15 parts of butyl acrylate, 7 parts of glycidyl acrylate, 3 parts of methyl methacrylate, 0.8 part of 1, 1-di-tert-butyl cyclohexane peroxide, 1.5 parts of isooctyl 3-mercaptopropionate and 45 parts of deionized water.
Wherein the modified resin is prepared by the following steps:
s1, uniformly mixing butyl acrylate, glycidyl acrylate and methyl methacrylate with 1, 1-di-tert-butyl cyclohexane peroxide according to parts by weight to obtain a monomer mixed solution for later use;
s2, adding deionized water into the reaction kettle, heating to 145 ℃ under the protection of protective gas, preserving heat after the deionized water is refluxed, adding the monomer mixed solution and the isooctyl 3-mercaptopropionate, controlling the reaction temperature to be 130 ℃, carrying out reflux reaction, and removing the deionized water to obtain the modified resin.
Wherein the film forming agent is hydroxypropyl cellulose.
The preservative is a mixture of nano silver ions, a preservative SPM and a dove-75 according to the weight ratio of 1:0.8:0.6, wherein the preservative SPM is provided by industrial grade products of Zhuo Zhou trade company, guangzhou.
Wherein the dispersing agent is nano titanium dioxide; the defoamer is polydimethylsiloxane.
The solvent is a mixture of sec-butyl acetate, dimethyl carbonate and deionized water according to the weight ratio of 0.6:0.8:3.
The environment-friendly paint decorative building wall is prepared by the following steps:
e1, uniformly mixing and stirring modified resin, a solvent, glass ceramic hollow microspheres, hydroxypropyl methylcellulose and alumina powder according to weight to obtain a mixture A for later use;
e2, mixing and uniformly stirring the film forming agent, the preservative, the dispersing agent, the defoaming agent and the negative ion powder according to weight to obtain a mixture B for later use;
e3, slowly adding the mixture B into the mixture A, and stirring for 230min to obtain an environment-friendly coating for later use;
and E4, coating an adhesive on the surface of the base wall to form a bonding layer, then applying a vacuum heat insulation ceramsite material on the surface of the bonding layer to form a heat preservation layer, then adhering an aramid fiber woven material on the surface of the heat preservation layer to form a reinforcing layer, and finally coating an environment-friendly coating layer on the surface of the reinforcing layer to obtain the environment-friendly coating decorative building wall.
Example 3
An environment-friendly paint decorative building wall body is characterized in that: the environment-friendly decorative coating comprises a base layer wall body, a bonding layer arranged on the surface of the base layer wall body, a heat preservation layer arranged on the surface of the bonding layer, a reinforcing layer arranged on the surface of the heat preservation layer and a decorative layer arranged on the surface of the reinforcing layer, wherein the decorative layer is formed by coating environment-friendly paint.
The environment-friendly paint comprises the following raw materials in parts by weight: 40 parts of modified resin, 4 parts of glass ceramic hollow microspheres, 60 parts of solvent, 3 parts of hydroxypropyl methyl cellulose, 7 parts of film forming agent, 3 parts of preservative, 1.5 parts of alumina powder, 3 parts of dispersing agent, 3 parts of defoaming agent and 5 parts of anion powder.
Wherein the modified resin comprises the following raw materials in parts by weight: 20 parts of butyl acrylate, 10 parts of glycidyl acrylate, 5 parts of methyl methacrylate, 1.0 part of 1, 1-di-tert-butyl cyclohexane peroxide, 2.5 parts of isooctyl 3-mercaptopropionate and 60 parts of deionized water.
Wherein the modified resin is prepared by the following steps:
s1, uniformly mixing butyl acrylate, glycidyl acrylate and methyl methacrylate with 1, 1-di-tert-butyl cyclohexane peroxide according to parts by weight to obtain a monomer mixed solution for later use;
s2, adding deionized water into the reaction kettle, heating to 160 ℃ under the protection of protective gas, preserving heat after the deionized water is refluxed, adding the monomer mixed solution and the isooctyl 3-mercaptopropionate, controlling the reaction temperature to 140 ℃, carrying out reflux reaction, and removing the deionized water to obtain the modified resin.
Wherein the film forming agent is hydroxypropyl cellulose.
The preservative is a mixture of nano silver ions, a preservative SPM and a dove-75 according to the weight ratio of 1.2:1.0:0.8, wherein the preservative SPM is provided by industrial grade products of Guangzhou Zhuo Zhou trade company.
Wherein the dispersing agent is nano titanium dioxide; the defoamer is polydimethylsiloxane.
The solvent is a mixture of sec-butyl acetate, dimethyl carbonate and deionized water according to the weight ratio of 0.8:1.0:4.
The environment-friendly paint decorative building wall is prepared by the following steps:
e1, uniformly mixing and stirring modified resin, a solvent, glass ceramic hollow microspheres, hydroxypropyl methylcellulose and alumina powder according to weight to obtain a mixture A for later use;
e2, mixing and uniformly stirring the film forming agent, the preservative, the dispersing agent, the defoaming agent and the negative ion powder according to weight to obtain a mixture B for later use;
e3, slowly adding the mixture B into the mixture A, and stirring for 40min to obtain the environment-friendly coating for later use;
and E4, coating an adhesive on the surface of the base wall to form a bonding layer, then applying a vacuum heat insulation ceramsite material on the surface of the bonding layer to form a heat preservation layer, then adhering an aramid fiber woven material on the surface of the heat preservation layer to form a reinforcing layer, and finally coating an environment-friendly coating layer on the surface of the reinforcing layer to obtain the environment-friendly coating decorative building wall.
Comparative example 1
This comparative example differs from example 2 above in that: in this comparative example, the acrylic resin was used instead of the modified resin, and the rest of this comparative example was the same as in example 2, and will not be described here again.
Comparative example 2
This comparative example differs from example 2 above in that: the solvent in this comparative example was almost deionized water, and the rest of this comparative example was the same as in example 2, and will not be repeated here.
The environmental protection coatings prepared in example 2 and comparative examples 1-2 were subjected to performance tests, the test results are shown in table 1 below:
tensile bond strength test method test with reference to JC/T1024-2007;
and (3) constructing an experimental device according to national standard QB-T2761-2006 'method for measuring purification effect of indoor air purification product', and performing experimental test. After 24 hours, the formaldehyde concentration (mg/cubic meter) in each sample compartment was measured separately, and the clearance was calculated. The initial concentration of formaldehyde in each sample compartment was 0.900mg/m 3 PM2.5 value of 110. Mu.g/m 3 。
As can be seen from the comparison of the example 2 and the comparative examples 1-2, the environment-friendly paint composed of the raw materials in the invention has better comprehensive performance compared with the traditional paint, and has wide market prospect and application value.
The above embodiments are preferred embodiments of the present invention, and besides, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.

Claims (10)

1. An environment-friendly paint decorative building wall body is characterized in that: the environment-friendly decorative coating comprises a base layer wall body, a bonding layer arranged on the surface of the base layer wall body, a heat preservation layer arranged on the surface of the bonding layer, a reinforcing layer arranged on the surface of the heat preservation layer and a decorative layer arranged on the surface of the reinforcing layer, wherein the decorative layer is formed by coating environment-friendly paint.
2. An environmental protection paint decorative building wall according to claim 1, wherein: the environment-friendly paint comprises the following raw materials in parts by weight: 30-40 parts of modified resin, 2-4 parts of glass ceramic hollow microspheres, 30-60 parts of solvent, 1-3 parts of hydroxypropyl methyl cellulose, 3-7 parts of film forming agent, 1-3 parts of preservative, 0.5-1.5 parts of alumina powder, 1-3 parts of dispersing agent, 1-3 parts of defoaming agent and 1-5 parts of anion powder.
3. An environmental protection paint decorative building wall according to claim 1, wherein: the modified resin comprises the following raw materials in parts by weight: 10-20 parts of butyl acrylate, 5-10 parts of glycidyl acrylate, 1-5 parts of methyl methacrylate, 0.5-1.0 part of 1, 1-di-tert-butyl cyclohexane peroxide, 0.5-2.5 parts of isooctyl 3-mercaptopropionate and 30-60 parts of deionized water.
4. An environmental protection paint decorative building wall according to claim 3, wherein: the modified resin is prepared by the following steps:
s1, uniformly mixing butyl acrylate, glycidyl acrylate and methyl methacrylate with 1, 1-di-tert-butyl cyclohexane peroxide according to parts by weight to obtain a monomer mixed solution for later use;
s2, adding deionized water into the reaction kettle, heating to 130-160 ℃ under the protection of protective gas, preserving heat after the deionized water is refluxed, adding the monomer mixed solution and the isooctyl 3-mercaptopropionate, controlling the reaction temperature to be 120-140 ℃, carrying out reflux reaction, and removing the deionized water to obtain the modified resin.
5. An environmental protection paint decorative building wall according to claim 1, wherein: the film forming agent is at least one of alcohol ester twelve and hydroxypropyl cellulose.
6. An environmental protection paint decorative building wall according to claim 1, wherein: the preservative is a mixture composed of nano silver ions, a preservative SPM and a dove Hill-75 according to the weight ratio of 0.8-1.2:0.6-1.0:0.4-0.8.
7. An environmental protection paint decorative building wall according to claim 1, wherein: the dispersing agent is nano titanium dioxide, polycarboxylate dispersing agent or condensed phosphate dispersing agent.
8. An environmental protection paint decorative building wall according to claim 1, wherein: the defoaming agent is at least one of polydimethylsiloxane, mineral oil or modified silicone aqueous defoaming agent.
9. An environmental protection paint decorative building wall according to claim 1, wherein: the solvent is a mixture composed of sec-butyl acetate, dimethyl carbonate and deionized water according to the weight ratio of 0.4-0.8:0.6-1.0:2-4.
10. A method for preparing an environmental protection paint decorative building wall according to any one of claims 1-9, characterized in that: the method comprises the following steps:
e1, uniformly mixing and stirring modified resin, a solvent, glass ceramic hollow microspheres, hydroxypropyl methylcellulose and alumina powder according to weight to obtain a mixture A for later use;
e2, mixing and uniformly stirring the film forming agent, the preservative, the dispersing agent, the defoaming agent and the negative ion powder according to weight to obtain a mixture B for later use;
e3, slowly adding the mixture B into the mixture A, and stirring for 20-40min to obtain the environment-friendly coating for later use;
and E4, coating an adhesive on the surface of the base wall to form a bonding layer, then applying a vacuum heat insulation ceramsite material on the surface of the bonding layer to form a heat preservation layer, then adhering an aramid fiber woven material on the surface of the heat preservation layer to form a reinforcing layer, and finally coating an environment-friendly coating layer on the surface of the reinforcing layer to obtain the environment-friendly coating decorative building wall.
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